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-rw-r--r--src/daemon/daemon-conf.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/src/daemon/daemon-conf.c b/src/daemon/daemon-conf.c
new file mode 100644
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--- /dev/null
+++ b/src/daemon/daemon-conf.c
@@ -0,0 +1,297 @@
+/* $Id$ */
+
+/***
+ This file is part of polypaudio.
+
+ polypaudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ polypaudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with polypaudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include "daemon-conf.h"
+#include <polypcore/util.h>
+#include <polypcore/xmalloc.h>
+#include <polypcore/strbuf.h>
+#include <polypcore/conf-parser.h>
+#include <polypcore/resampler.h>
+
+#ifndef DEFAULT_CONFIG_DIR
+# ifndef OS_IS_WIN32
+# define DEFAULT_CONFIG_DIR "/etc/polypaudio"
+# else
+# define DEFAULT_CONFIG_DIR "%POLYP_ROOT%"
+# endif
+#endif
+
+#ifndef OS_IS_WIN32
+# define PATH_SEP "/"
+#else
+# define PATH_SEP "\\"
+#endif
+
+#define DEFAULT_SCRIPT_FILE DEFAULT_CONFIG_DIR PATH_SEP "default.pa"
+#define DEFAULT_SCRIPT_FILE_USER ".polypaudio" PATH_SEP "default.pa"
+#define DEFAULT_CONFIG_FILE DEFAULT_CONFIG_DIR PATH_SEP "daemon.conf"
+#define DEFAULT_CONFIG_FILE_USER ".polypaudio" PATH_SEP "daemon.conf"
+
+#define ENV_SCRIPT_FILE "POLYP_SCRIPT"
+#define ENV_CONFIG_FILE "POLYP_CONFIG"
+#define ENV_DL_SEARCH_PATH "POLYP_DLPATH"
+
+static const pa_daemon_conf default_conf = {
+ .cmd = PA_CMD_DAEMON,
+ .daemonize = 0,
+ .fail = 1,
+ .high_priority = 0,
+ .disallow_module_loading = 0,
+ .exit_idle_time = -1,
+ .module_idle_time = 20,
+ .scache_idle_time = 20,
+ .auto_log_target = 1,
+ .script_commands = NULL,
+ .dl_search_path = NULL,
+ .default_script_file = NULL,
+ .log_target = PA_LOG_SYSLOG,
+ .log_level = PA_LOG_NOTICE,
+ .resample_method = PA_RESAMPLER_SRC_SINC_FASTEST,
+ .config_file = NULL,
+ .use_pid_file = 1
+};
+
+pa_daemon_conf* pa_daemon_conf_new(void) {
+ FILE *f;
+ pa_daemon_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
+
+ if ((f = pa_open_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE, &c->default_script_file)))
+ fclose(f);
+
+#ifdef DLSEARCHPATH
+ c->dl_search_path = pa_xstrdup(DLSEARCHPATH);
+#endif
+ return c;
+}
+
+void pa_daemon_conf_free(pa_daemon_conf *c) {
+ assert(c);
+ pa_xfree(c->script_commands);
+ pa_xfree(c->dl_search_path);
+ pa_xfree(c->default_script_file);
+ pa_xfree(c->config_file);
+ pa_xfree(c);
+}
+
+int pa_daemon_conf_set_log_target(pa_daemon_conf *c, const char *string) {
+ assert(c && string);
+
+ if (!strcmp(string, "auto"))
+ c->auto_log_target = 1;
+ else if (!strcmp(string, "syslog")) {
+ c->auto_log_target = 0;
+ c->log_target = PA_LOG_SYSLOG;
+ } else if (!strcmp(string, "stderr")) {
+ c->auto_log_target = 0;
+ c->log_target = PA_LOG_STDERR;
+ } else
+ return -1;
+
+ return 0;
+}
+
+int pa_daemon_conf_set_log_level(pa_daemon_conf *c, const char *string) {
+ uint32_t u;
+ assert(c && string);
+
+ if (pa_atou(string, &u) >= 0) {
+ if (u >= PA_LOG_LEVEL_MAX)
+ return -1;
+
+ c->log_level = (pa_log_level_t) u;
+ } else if (pa_startswith(string, "debug"))
+ c->log_level = PA_LOG_DEBUG;
+ else if (pa_startswith(string, "info"))
+ c->log_level = PA_LOG_INFO;
+ else if (pa_startswith(string, "notice"))
+ c->log_level = PA_LOG_NOTICE;
+ else if (pa_startswith(string, "warn"))
+ c->log_level = PA_LOG_WARN;
+ else if (pa_startswith(string, "err"))
+ c->log_level = PA_LOG_ERROR;
+ else
+ return -1;
+
+ return 0;
+}
+
+int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) {
+ int m;
+ assert(c && string);
+
+ if ((m = pa_parse_resample_method(string)) < 0)
+ return -1;
+
+ c->resample_method = m;
+ return 0;
+}
+
+static int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
+ pa_daemon_conf *c = data;
+ assert(filename && lvalue && rvalue && data);
+
+ if (pa_daemon_conf_set_log_target(c, rvalue) < 0) {
+ pa_log(__FILE__": [%s:%u] Invalid log target '%s'.\n", filename, line, rvalue);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int parse_log_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
+ pa_daemon_conf *c = data;
+ assert(filename && lvalue && rvalue && data);
+
+ if (pa_daemon_conf_set_log_level(c, rvalue) < 0) {
+ pa_log(__FILE__": [%s:%u] Invalid log level '%s'.\n", filename, line, rvalue);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
+ pa_daemon_conf *c = data;
+ assert(filename && lvalue && rvalue && data);
+
+ if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) {
+ pa_log(__FILE__": [%s:%u] Inavalid resample method '%s'.\n", filename, line, rvalue);
+ return -1;
+ }
+
+ return 0;
+}
+
+int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
+ int r = -1;
+ FILE *f = NULL;
+
+ pa_config_item table[] = {
+ { "daemonize", pa_config_parse_bool, NULL },
+ { "fail", pa_config_parse_bool, NULL },
+ { "high-priority", pa_config_parse_bool, NULL },
+ { "disallow-module-loading", pa_config_parse_bool, NULL },
+ { "exit-idle-time", pa_config_parse_int, NULL },
+ { "module-idle-time", pa_config_parse_int, NULL },
+ { "scache-idle-time", pa_config_parse_int, NULL },
+ { "dl-search-path", pa_config_parse_string, NULL },
+ { "default-script-file", pa_config_parse_string, NULL },
+ { "log-target", parse_log_target, NULL },
+ { "log-level", parse_log_level, NULL },
+ { "verbose", parse_log_level, NULL },
+ { "resample-method", parse_resample_method, NULL },
+ { "use-pid-file", pa_config_parse_bool, NULL },
+ { NULL, NULL, NULL },
+ };
+
+ table[0].data = &c->daemonize;
+ table[1].data = &c->fail;
+ table[2].data = &c->high_priority;
+ table[3].data = &c->disallow_module_loading;
+ table[4].data = &c->exit_idle_time;
+ table[5].data = &c->module_idle_time;
+ table[6].data = &c->scache_idle_time;
+ table[7].data = &c->dl_search_path;
+ table[8].data = &c->default_script_file;
+ table[9].data = c;
+ table[10].data = c;
+ table[11].data = c;
+ table[12].data = c;
+ table[13].data = &c->use_pid_file;
+
+ pa_xfree(c->config_file);
+ c->config_file = NULL;
+
+ f = filename ?
+ fopen(c->config_file = pa_xstrdup(filename), "r") :
+ pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file);
+
+ if (!f && errno != ENOENT) {
+ pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
+ goto finish;
+ }
+
+ r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0;
+
+finish:
+ if (f)
+ fclose(f);
+
+ return r;
+}
+
+int pa_daemon_conf_env(pa_daemon_conf *c) {
+ char *e;
+
+ if ((e = getenv(ENV_DL_SEARCH_PATH))) {
+ pa_xfree(c->dl_search_path);
+ c->dl_search_path = pa_xstrdup(e);
+ }
+ if ((e = getenv(ENV_SCRIPT_FILE))) {
+ pa_xfree(c->default_script_file);
+ c->default_script_file = pa_xstrdup(e);
+ }
+
+ return 0;
+}
+
+static const char* const log_level_to_string[] = {
+ [PA_LOG_DEBUG] = "debug",
+ [PA_LOG_INFO] = "info",
+ [PA_LOG_NOTICE] = "notice",
+ [PA_LOG_WARN] = "warning",
+ [PA_LOG_ERROR] = "error"
+};
+
+char *pa_daemon_conf_dump(pa_daemon_conf *c) {
+ pa_strbuf *s = pa_strbuf_new();
+
+ if (c->config_file)
+ pa_strbuf_printf(s, "### Read from configuration file: %s ###\n", c->config_file);
+
+ assert(c->log_level <= PA_LOG_LEVEL_MAX);
+
+ pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize);
+ pa_strbuf_printf(s, "fail = %i\n", !!c->fail);
+ pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority);
+ pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading);
+ pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
+ pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
+ pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
+ pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : "");
+ pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file);
+ pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
+ pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]);
+ pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
+ pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
+
+ return pa_strbuf_tostring_free(s);
+}